Why do color cartons fade when placed under the LED light source?
Because the lamps and lanterns have the color index generally, the fluorescent lamp in the printing factory is expensive, but the color rendering index is 98%, which is close to the normal sunlight.
Incandescent lamp is also the 100% color LED, because of technical problems, spectral blue, red, blue spectrum less, in fact, color problems. Brand LED can achieve 80% color Hodge direct is blue and white.